Here you can see he’s using a solder gun to make the connection between the new battery and one of the solder tabs. He uses the gun instead of an iron because he needs to heat the joint quickly ...

Seems like the iron is best powered by a USB battery pack, and [BigClive] was able to solder some surprisingly beefy connections that way. The teardown and analysis reveal a circuit that looks ...

The FixHub is a portable, battery or USB-C-powered solder station. It has a whole bunch of neat safety and convenience features. It’s meant both for pros and for people who might be scared to ...